Level Sequence option "Allow Level Edits Only" causes Frame Rate drop when used

UE - Anim - Sequencer - Aug 15, 2017

When using the new option "Allow Level Edits Only" there is a drastic frame rate drop while playing the sequencer. This frame rate drops when only using this option. Versions Tested: 4.16.3 - CL: 3 ...

Enable high quality Gaussian DOF cause black screen on Android(S6)

UE - Platform - Mobile - Nov 23, 2017

This is only happen on Android, no problem on IOS ...

HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

UE - Graphics Features - Aug 5, 2018

HISM has lightmap issues after build lighting ...

Compiling blueprints with a reroute node attached to a class variable to a "Spawn for gameplay task" causes the pin to "instigator" to disconnect

UE - Gameplay - Mar 20, 2020

Creating a reroute node between a class variable and a "Spawn actor for gameplay task's" class pin will cause the variable attached to the instigator pin to disconnect. ...

Detaching part of the Visual Logger window and then closing the Visual Logger tab causes a crash

UE - Editor - UI Systems - Slate - Nov 18, 2021

It seems that when a section of the Visual Logger is detached from the window as a whole and then that window is closed when docked next to the Content Browser, then the engine crashes. However, whe ...

Installed builds of the Engine cannot package game targets with optional game features

UE - Foundation - Build - Rocket (Installed Engine) - Mar 10, 2022

The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...

Landscape nanite height mismatch

UE - Graphics Tools - Terrain - Landscape - Oct 17, 2023

From licensee: The height of Nanite rendered landscape does not match the height of non-nanite landscape. The error gets worse if you increase the Z Scale of the landscape actor. Our project rec ...

Characters can fall through a rotating sprite that has been scaled

UE - Gameplay - Paper2D - Oct 23, 2014

A scaled sprite does not appear to consistently maintain its collision for characters near its edges. I'm not certain whether this has anything to do with the character being in a fall state, but th ...